Presentations

Invited Talks

  • Oct. 2023       Current challenges in survey data collection – Invited participant in a Panel Discussion, ESRC Survey Futures, Second Survey Practice Forum – Broadway House, London, 9th October, 2023
  • Jul. 2023         Survey research post-pandemic: What is it becoming? – Invited participant in a Panel Discussion, 10th Conference of the European Survey Research Association, 20th July 2023
  • Nov. 2021       Current challenges in survey research – Data privacy concerns and the use of apps – Invited talk at the Security and Privacy Engineering (SPRING) Laboratory Seminar Series, EPFL – 11th November 2021
  • Jul. 2021         Survey research: Past, present and future – Invited video podcast for the 9th Conference of the European Survey Research Association, Virtual Conference, July 2021.
  • May 2021       Questionnaire Design. Invited presentation to English students at the Gymnase de Chamblandes, Pully. 11th-12th May 2021.
  • Feb. 2020       Data privacyconcerns as a source of resistance to participate in surveys using a smartphone app – Invited talk at Cathie Marsh Institute for Social Research, University of Manchester, UK, 13th February 2020
  • Jun. 2019        Designing Effective Questionnaires – Workshop presentation, L’Institut fédéral des hautes études en formation professionnelle, IFFP, 3rd June 2019
  • Mar. 2018      Predicting the unpredictable: Problems of representation, measurement and specification.  Computation and Society Workshop, EPFL, Lausanne, Switzerland, 22nd May 2018.
  • Jan. 2018        Measurement error in self- and proxy reports of educational qualifications: A validation using administrative data. Presentation with Fiona Müller, for the Swiss Federal Statistical Office, 18January 2018
  • Jun. 2014        Recent innovations in survey methodology for the management of errors and costs. Workshop on Current Trends in Survey, Social and Market Research, Swiss Federal Statistical Office, 13 June 2014
  • Mar. 2013      Challenges to data quality in survey research: The problem of mixed mode fieldwork. Research seminar IPTO, University of Neuchâtel, 7th March 2013
  • Jun. 2012        Future data collection strategies on the ESS and the problem of equivalence. ISSC Special Panel ‘Critical reflections on the future of comparative social research’, 65th Annual Conference of the World Association for Public Opinion Research, Hong Kong
  • Apr. 2011        Mixing modes in cross-national surveys – findings from the European Social Survey (ESS) methodological research programme. Workshop on Data Collection Modes in Cross-National Surveys, Eurofound, Dublin
  • Dec. 2009       Mixing modes of data collection in social surveys. FORS/IMA/MISC Methods and Research Meetings, University of Lausanne, Switzerland
  • Sep. 2006        Report on Phase II of the ESS-Gallup Mixed Mode Methodology Project. Flash Eurobarometer Methodology Seminar – Gallup, The Adelphi, 1-11 John Adam Street, London, UK
  • Feb. 2006        Future data collection methods on the ESS.  L’Enquete Sociale Européene (ESS): Apports et Mise en Perspective – Centre de Recherches Politiques de Sciences Po, Paris, France
  • Dec. 2005       Methodological advances on the ESS: A mixed mode future? Research Seminar, University of Winchester, UK
  • Dec. 2005       Comparative social surveys – about the ESS. MSc in Social Research Methods Programme, Survey Methods course, University of Surrey, UK
  • Oct. 2005        Measuring attitudes cross-nationally: Lessons from the European Social Survey. Sociology Seminar, Nuffield College, University of Oxford, UK
  • Mar. 2005       Comparative social surveys – about the ESS. MSc in Social Research Methods Programme, Survey Methods course University of Surrey, UK

Conference Presentations

  • Roberts, C., Asensio, M., Lipps, O., and Pekari, N. (2023). To what extent do data privacy concerns and digital distrust act as barriers to smartphone sensor data collection in general population surveys and what can be done to mitigate them? Paper presented at the 10th Conference of the European Survey Research Association, Milan, Italy, 17th-21st July 2023.
  • Roberts, C., Herzing, J., Asensio, M., Abbet, P., and Gatica Perez, D. (2023). Response Burden and Dropout in a Probability-Based Online Panel Study – A Comparison between an App and Browser-Based Design. Paper presented at the 10th Conference of the European Survey Research Association, Milan, Italy, 17th-21st July 2023.
  • Bosch, O., Asensio, M., and Roberts, C. (2023). Data donations, are they worth the effort? The accuracy and validity of smartphone usage measures computed with self-reports and data donations. Paper presented at the 10th Conference of the European Survey Research Association, Milan, Italy, 17th-21st July 2023.
  • Asensio, M., Bosch, O., and Roberts, C. (2023). What is the best way of collecting data donations? An experiment assessing the feasibility of three data donation approaches to measure smartphone usage. Paper presented at the 10th Conference of the European Survey Research Association, Milan, Italy, 17th-21st July 2023.
  • Roberts, C., Asensio Manjon, M., Pekari, N., and Felder, M. (2022). Optimising methods of recruitment to a smartphone panel study: Do efforts to reduce privacy concerns improve stated willingness to agree to sensor data collection? Paper presented at the Mobile Apps and Sensors in Surveys Workshop, Utrecht, June 16-17, 2022.
  • Roberts, C., Herzing, J.E., and Gatica-Perez, D. (2022). Are respondents on the move when completing a mobile web survey? Evaluating response context through combined data sources.Paper presented at the Annual Conference of the American Association for Public Opinion Research, May 11-13, 2022.
  • Roberts, C., Asensio Manjon, M., and Ernst Stähli, M. (2021). Lockdown measures and time availability: Covid-19 Impact on survey response rates and nonresponse bias. Paper presented at the 9th Conference of the European Survey Research Association, Virtual Conference, July 2021.
  • Roberts, C., Herzing, J.E., Gatica-Perez, D. (2021). Can a smartphone app be used to survey the general population: Comparing an app- and a browser-based web survey design. Paper presented at the 9th Conference of the European Survey Research Association, Virtual Conference, July 2021.
  • Asensio Manjon, M., Roberts, C., Herzing, J.E. (2021). Mobile optimization strategies: Effects on web survey participation and fieldwork progression. Paper presented at the 9th Conference of the European Survey Research Association, Virtual Conference, July 2021.
  • Martinez Atencio, J., Roberts, C., Herzing, J., and Gatica-Perez, D. (2021). Does smartphone usage behaviour influence willingness to agree to passive data collection via a mobile app? Paper presented at the 9th Conference of the European Survey Research Association, Virtual Conference, July 2021.
  • Roberts, C., Herzing, J., and Gatica-Perez, D. (2021). Can a smartphone app be used to survey the general population? Comparing an app- and a browser-based web survey design. Paper presented at the 2nd Mobile Apps and Sensors in Surveys (MASS) Workshop, 22nd-23rd April, 2021.
  • Roberts, C., Herzing, J., and Gatica-Perez, D. (2020). Data privacy concerns as a source of resistance to participate in surveys using a smartphone app. Paper presented at the General Online Research (GOR) Conference, Virtual Conference, 10th-11th September 2020.
  • Herzing, J.E., Roberts, C., and Gatica-Perez, D. (2020). Are respondents on the move when filling out a mobile web survey?Paper presented at the General Online Research (GOR) Conference, Virtual Conference, 10th-11th September 2020.
  • Roberts, C. (2019). Measuring Privacy Attitudes. Contribution to a panel discussion presented at the 8th Conference of the European Survey Research Association, Zagreb, Croatia, 15th-19th July 2019.
  • Roberts, C., Herzing, J., Sobrino Piazza, J., and Gatica-Perez, D. (2019). Understanding resistance to participate in passive smartphone data collection in mobile-web surveys. Paper presented at the 8th Conference of the European Survey Research Association, Zagreb, Croatia, 15th-19th July 2019.
  • Pawlicki, L., Roberts, C., and Ernst Stähli, M. (2019). Effects of database lookups on survey estimates of occupation. Paper presented at the 8th Conference of the European Survey Research Association, Zagreb, Croatia, 15th-19th July 2019.
  • Sobrino Piazza, J., Pollien, A., and Roberts, C. (2019). Split questionnaire design: can a question battery be split and still produce the same measurements? Evaluating context effects in the study of moral values. Paper presented at the 8th Conference of the European Survey Research Association, Zagreb, Croatia, 15th-19th July 2019.
  • Roberts, C. and Müller, F. (2018). Measurement error in self- and proxy reports of educational qualifications: A validation using administrative data. Paper presented at the 71st annual conference of the World Association for Public Opinion Research, Marrakech, Morocco, 27th-20th June 2018.
  • Roberts, C., Sarrasin, O, and Ernst Stähli, M. (2018) Sources of error in 3MC surveys – an assessment of the relative impact of mode and translation error on measurement invariance. Paper presented at the 71st annual conference of the World Association for Public Opinion Research, Marrakech, Morocco, 27th-20th June 2018
  • Roberts, C. and Müller, F. (2018). Measurement error in self- and proxy reports of educational qualifications: A validation using administrative data. 13ème Journées de Méthodologie Statistique de l’INSEE, Paris, France, 12-14 June 2018.
  • Roberts, C., Sarrasin, O, and Ernst Stähli, M. (2018) Sources of error in 3MC surveys – an assessment of the relative impact of mode and translation error on measurement invariance. Paper presented at the 73rd Annual Conference of the American Association for Public Opinion Research, 15th-19th May, 2018, Denver, Colorado
  • Ernst Stähli, M., Sarrasin, O. and Roberts, C. (2017). Do mode effects matter in cross-national surveys?  An assessment of measurement invariance across data collection methods and countries. Paper presented at the 7th Conference of the European Survey Research Association, Lisbon, Portugal, 17th-21st July 2017.
  • Sanchez Tome, R., Roberts, C., and Joye, D. (2017). Mode effects in answers to sensitive open-ended questions. Paper presented at the 7th Conference of the European Survey Research Association, Lisbon, Portugal, 17th-21st July 2017.
  • Roberts, C., Gilbert, E., Allum, N. and Eisner, L. (2017). Satisficing in surveys: A systematic review of the literature. Paper presented at the 7th Conference of the European Survey Research Association, Lisbon, Portugal, 17th-21st July 2017.
  • Roberts, C., Villar, A., and Yang, Y. (2017). Do 11-point scales guarantee better measurement quality than shorter scales in multi-lingual surveys? Paper presented at the 7th Conference of the European Survey Research Association, Lisbon, Portugal, 17th-21st July 2017.
  • Roberts, C., and Vandenplas, C. (2016). Estimating components of mean-squared error to evaluate the benefits of mixing data collection modes.   Paper presented at the 71st Annual Conference of the American Association for Public Opinion Research, Austin, TX., USA – 12-15/5/2016.
  • Roberts, C., Vandenplas, C., Joye, D., Ernst Stähli, M., Sanchez Tome, R., and Allum, N. (2015). Estimating components of Mean-Squared Error as a means to evaluate mixed mode solutions to noncoverage error in telephone surveys. 2015 International Total Survey Error Conference, Baltimore, MD., USA – 19-22/9/2015
  • Parutis, V., Jäckle, A., and Roberts, C. (2015). Effects of showcards on responses in face-to-face surveys surveys. Understanding Society Scientific Conference 2015, Colchester, UK – 21-23/7/2015
  • Roberts, C., Ernst Stähli, M., Joye, D., and Sanchez Tome, R. (2015). Combining web and mail sequentially – error and cost advantages in the Swiss context.  Paper presented at 6th Conference of the European Survey Research Association, Reykjavik, Iceland, July 13-17, 2015.
  • Ernst Stähli, M., Roberts, C., Sanchez Tome, R. and Joye, D. (2015). Comparing estimates across survey designs – are mode effects the greatest cause for concern? Paper presented at 6th Conference of the European Survey Research Association, Reykjavik, Iceland, July 13-17, 2015.
  • Sanchez Tome, R., Roberts, C., Ernst Stähli, M., and Joye, D. (2015). Mode effects on measures of wellbeing: a comparison between uni- and multi-dimensional approaches. Paper presented at 6th Conference of the European Survey Research Association, Reykjavik, Iceland, July 13-17, 2015.
  • Roberts, C. and Vandenplas, C. (2015). A validation of R-indicators as a measure of the risk of bias using data from a non-response follow-up survey. Paper presented at the 70th Annual Conference of the American Association for Public Opinion Research, Miami, FL., USA – 14-17/5/2015
  • Ernst Stähli, M., Joye, D., and Roberts, C. (2015). Alternatives au problème de couverture dans les enquêtes CATI : Enseignements de l’expérience mixed-mode de LIVES-FORS. Paper presented at the Workshop FORS-BFS ‘Erfahrungen mit mixed mode in Surveys’, Neuchâtel, Switzerland, March 16, 2015.
  • Sanchez Tome, R., Roberts, C., Ernst Staehli, M., and Joye, D. (2014). Mode effects in measures of subjective well-being – Implications for cross-survey comparisons. Paper presented at the 67th Annual Conference of the World Association for Public Opinion Research, Nice, France – 4-6/9/2014
  • Roberts, C., Vandenplas, C., Ernst Staehli, M., Joye, D., and Sanchez Tome, R. (2014). A comparison of the impact of single and mixed mode follow-ups of nonrespondents on survey errors and costs. Paper presented at the VI European Congress of Methodology, Utrecht, Netherlands – 23-25/7/2014
  • Ernst Staehli, M., Roberts, C., and Joye, D. (2013). Coverage, representativity and data quality in mixed mode surveys: Some results from a Swiss experiment. Paper presented at the 6th Webdatanet meeting and conference ‘Mixed mode and multi-method research’, Reykjavik, Iceland, 16/9/2013
  • Roberts, C., Ernst Staehli, M., and Joye, D. (2013). Mixed mode solutions to coverage and nonresponse error: Evaluation of the cost-error trade-off. Paper presented at the 5th Conference of the European Survey Research Association, Ljubljana, Slovenia – 15-19/7/2013
  • Roberts, C. (2013). Participation and engagement in web surveys of the general population: An overview of challenges and opportunities. Paper presented at the Opening Conference of the NMI ‘Web surveys for the general population: How, why, and when?’, London, 25-26/2/2013.
  • Roberts, C., Vandenplas, C., and Ernst Staehli, M. (2012). Evaluating the impact of response enhancement methods on non-response bias in the Swiss European Social Survey. Paper presented at the International Workshop on Total Survey Error, Sanpoort, Netherlands – 2-4/9/2012
  • Joye, D., and Roberts, C. (2012). Methodological challenges – Research challenges: Studying vulnerabilities and the life course in Switzerland. Paper presented at the LIVES International Workshop on Methodological and Substantive Challenges in Measuring Vulnerability Across the Life Course, Lausanne, Switzerland – 18-19/6/2012
  • Roberts, C., Gilbert, E., and Allum, N. (2012). Methods of measuring response effects in surveys and implications for understanding their causes. Paper presented at the 65th Annual Conference of the World Association for Public Opinion Research (WAPOR), Hong Kong, 14-16/6/2012
  • Roberts, C., Allum, N., and Sturgis, P. (2011). Are reluctant panelists worth the effort? Analysis of measurement error in a probability-based Internet panel. Paper presented at the European Survey Research Association Annual Conference, Lausanne, Switzerland ­ 18-22/7/2011
  • Roberts, C., Gilbert, E., and Allum, N. (2011). Research based on Satisficing Theory: a systematic review of methods and results. Paper presented at the European Survey Research Association Annual Conference, Lausanne, Switzerland ­ 18-22/7/2011
  • Roberts, C., Gilbert, E., and Allum, N. (2011). Research based on Satisficing Theory: a systematic review of methods and results. Paper presented at the American Association for Public Opinion Research, Phoenix, AZ, USA – 12-15/5/2011
  • Roberts, C., Sturgis, P., and Allum, N. (2010). Common causes of measurement and nonresponse error on the 2008 ANES Panel Survey.  Paper presented at the 21st International Workshop on Household Survey Nonresponse, Nürnberg, Germany – 30/8-1/9/2010
  • Roberts, C., Sturgis, P., and Allum, N. (2010). Unobserved common causes of measurement and nonresponse error on the 2008 ANES Panel Survey.  Paper presented at the International Total Survey Error Workshop, Stowe, VT, USA – 13-15/6/2010
  • Sturgis, P., Smith, P., Duffy, B., & Roberts, C. (2010). Happy! Or can’t get no satisfaction? Concept equivalence in the measurement of subjective well-being. Paper presented at the American Association for Public Opinion Research, Chicago, USA – 13-16/5/2010
  • Joye, D., Sapin, M., Ernst Staehli, M., Pollien, A., & Roberts, C. (2010). Survey climate in Switzerland. Paper presented at the International Workshop on Comparative Survey Design and Implementation (CSDI), Lausanne, Switzerland – 25-27/3/2010
  • Garland, P., Stark, T., Roberts, C., Sood, G., & Krosnick, J. A.  (2010).  A New Look at Racism in America: Evidence from National Surveys.  Paper presented at the Annual Conference of the Society for Personality and Social Psychology, Las Vegas, Nevada – 28/1/2010
  • Roberts, C. Mode effects in Switzerland: non-response and measurement error on the ESS. Paper presented at the Annual Conference of the World Association for Public Opinion Research, Lausanne, Switzerland -11-13/9/2009
  • Roberts, C. Using survey paradata to evaluate the benefits of mixed mode data collection – Annual Conference of the European Survey Research Association, Warsaw, Poland – 29/6-3/7/2009
  • Sturgis, P., Smith, P. and Roberts, C. Neither fish nor fowl: The problem of ‘neither/nor’ responses as indicators of opinion neutrality – American Association for Public Opinion Research (AAPOR) 64th Annual Conference, Miami, USA – 14-17/5/2009
  • Roberts, C. and Eva, G. Challenges in adapting face-to-face questionnaires for mixed mode data collection. 7th International Conference on Social Science Methodology, Naples, Italy – 1-5/9/2008
  • Eva, G., Roberts, C., Lynn, P. and Allum, N. Telephone interviews. The effect of length on data quality and response rates.  International Conference on Survey Methods in Multinational, Multiregional, and Multicultural Contexts (3MC), Berlin, Germany – 25-28/6/2008
  • Roberts, C., Eva, G., Allum, N. and Lynn, P. Does length matter? The effect of interview duration on data quality in telephone interviews – American Association for Public Opinion Research (AAPOR) 63rd Annual Conference, New Orleans, USA – 15-18/5/2008
  • Eva, G., Roberts, C. and Lynn, P. Measuring the Effect of Interview Length on Telephone Survey Cooperation – American Association for Public Opinion Research (AAPOR) 63rd Annual Conference, New Orleans, USA – 15-18/5/2008
  • Jäckle, A. and Roberts, C. Assessing the effect of data collection mode on measurement – Invited paper at the 56th Session of the International Statistical Institute, Lisbon, Portugal – 22-29/8/2007
  • Roberts, C.  Mixing modes of data collection in surveys – Annual Conference of the European Survey Research Association, Prague, Czech Republic – 25-29/6/2007
  • Roberts, C., Jäckle, A. and Lynn, P. Causes of Mode Effects: Separating out Interviewer and Stimulus Effects in Comparisons of Face-to-Face and Telephone Surveys – Annual Conference of the European Survey Research Association, Prague, Czech Republic – 25-29/6/2007
  • Roberts, C.  Mixing modes on the European Social Survey – Implications for Data Quality – Economic and Social Research Council (ESRC) Methods Festival, University of Oxford, UK – 17-20/7/2006
  • Roberts, C.  Resources for International Comparative Analysis: The European Social Survey – Economic and Social Research Council (ESRC) Methods Festival, University of Oxford, UK – 17-20/7/2006
  • Roberts, C., Jäckle, A. and Lynn, P. Mixing modes on the European Social Survey: Implications for data quality – American Association for Public Opinion Research (AAPOR) 61st Annual Conference, Montreal, Canada – 18-21/5/2006
  • Roberts, C., Lynn, P. and Jäckle, A. Mixing modes on the European Social Survey: Implications for data quality – One day conference on mixed mode data collection in comparative social surveys, City University, London, UK – 15/9/2005
  • Roberts, C. and Lynn, P. (2005) Methodological advances on the ESS: A mixed mode future? – American Association for Public Opinion Research (AAPOR) 60th Annual Conference, Miami Beach, USA – 12-15/5/2005
  • Roberts, C. (2003) Concerns about the single currency – the agenda-setting role of the British press – World Association for Public Opinion Research (WAPOR) Annual Conference – Prague, Czech Republic – 17-19/9/2003
  • Roberts, C. (2003) Argument quality in political communication: Implications for research into attitude change – British Psychological Society Social Psychology Section Annual Conference, LSE, UK – 10-12/9/2003
  • Roberts, C. (2003) The role of issue involvement in UK public attitudes to the single European currency –Poster presented at the American Association for Public Opinion Research (AAPOR) 58th Annual Conference, Nashville, USA – 15-18/5/2003
  • Sturgis, P.J., Roberts, C. and Allum, N.C. (2003) A different take on the deliberative poll: Information, Deliberation and Attitude Constraint – American Association for Public Opinion Research (AAPOR) 58th Annual Conference – Nashville, USA – 15-18/5/2003
  • Roberts, C. (2002) Leading articles about the single currency in two British newspapers: An application of argumentation analysis – Third Inter-University Graduate Conference on Social Psychology, LSE, UK – 18/5/2002
  • Roberts, C. (2001) Changing public attitudes to the euro – Learning from opinion polls – World Association for Public Opinion Research Annual Conference, Rome, Italy – 20-22/9/2001
  • Roberts, C. (2001) Elaboration likelihood in a referendum campaign: reading arguments about the euro – British Psychological Society Social Psychology Section Annual Conference, University of Surrey, UK – 18-20/7/2001.
  • Roberts, C. (2001) Elaboration likelihood in a referendum campaign: reading arguments about the euro – Second Inter-University Graduate Conference on Social Psychology, University of Cambridge, UK – 5/5/2001
  • Peay, J., Eastman, N.E. and Roberts, C. (2000) Attitudes, Knowledge and Decision Processes of Professionals Operating the Mental Health Act – One day conference ‘Shaping the New Mental Health Act: Key Messages from the Department of Health Research Programme’, London, UK- 6/3/2000